Defective Switches Or Other Electrical; Components - Ricoh A151 Field Service Manual

3.2 DEFECTIVE SWITCHES OR OTHER ELECTRICAL

COMPONENTS

Component
Main Switch
(SW1)
Front Cover Safety Switch
(SW2)
Paper Tray Switch
(SW3)
Exposure Lamp
(L1)
Fusing Lamp
(L2)
Fusing Thermistor
(TH1)
Fusing Thermoswitch
(TS)
Optics Thermofuse
(TF)
Optics Thermistor
(TH2)
A151/A152
Condition
OPEN The copier does not turn on.
SHORT The copier does not turn off.
OPEN The copier does not turn on.
SHORT The copier does not turn off when the
front or exit cover is opened.
OPEN The Start key stays red even when the
1st paper tray is closed.
SHORT The Start key stays green even when the
1st paper tray is open, and the "J1"
indicator lights after the Start key is
pressed.
OPEN SC code (E11) is displayed.
OPEN SC code (E52) is displayed.
OPEN SC code (E55) is displayed.
SHORT SC code (E53) is displayed.
OPEN SC code (E52) is displayed.
OPEN SC code (E11) is displayed.
OPEN SC code (E40) is displayed.
SHORT The Energy Saver Function key blinks.
6-54
Symptom
FSM